FAQ: How Does The Electric Choke On A Eton Scooter With A 50cc Carburator?

How does a scooter electric choke work?

How does an automatic choke work? Inside the automatic choke there is a small wax capsule with a heater coil wrapped around it. When the engine is started a voltage is applied to the heater and the wax heats up. As the wax begins to heat it expands and pushes the plunger out slowly.

How does an electric choke work on a carburetor?

Electric Choke – An electric choke uses electricity to warm the spring and gradually open the choke. Divorced Choke – In a divorced choke set-up, the metal spring is located in the intake manifold. The spring connects to the carburetor with a small rod.

How does a scooter carb work?

A carburetor is a tube that air is sucked through into the engine. The speed of the engine is controlled by how much air the carburetor allows through it. As the air passes through the carburetor, it goes through a venturi section that has a straw sticking up into the air stream.

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How do you test an electric choke?

Check from red plug to ground to be sure you have power first. Your photo shows the choke in it’s cold or closed position. When you work the throttle the fast idle cam (other side of the carb) should rotate into the fast idle position. Turn the ignition on and wait a minute..now work the throttle again.

Should Choke be open or closed when starting?

When doing a cold start, the choke should be closed to limit the amount of air going in. Once the car has warmed up, if the choke does not open fully, the restriction in air may result in reduced power.

How do I know if my electric choke is bad?

It should slowly open up and be fully opened within a couple of minutes. If it is not opening, the choke is either broken or not adjusted correctly. If it opens too fast then the choke needs to be adjusted. If it opens too slow, again — adjust.

Where does the electric choke wire go?

For electric choke hookup, attach the bayonet end of the long electrical lead supplied to the positive terminal on the choke cap. The other end must be connected to an ignition activated 12-volt source. The distributor side of the ignition coil is NOT a 12- volt source. It is a 7-9-volt source after cranking.

What is the wire on the bottom of a carburetor?

The part in the bottom of the carburetor bowl is a fuel shut off solenoid. You should take it out of the carburetor and clean the plunger on it.

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Why are carburetors not used anymore?

Most car manufacturers stopped using carburetors in the late 1980’s because newer technology was coming out, such as the fuel injector, that proved to be more efficient. There were only a few cars that continued to have carburetors, such as the Subaru Justy, until about the early 1990’s.

How do you adjust a carburetor on a scooter?

Rotate the High jet counter-clockwise to 1 and 1/4 turns open. Rotate the low jet counter-clockwise to approx 1 and 3/8 turns open. Now, if the engine doesn’t start, you may need to turn the low jet slightly one way or the other for the engine to start. Adjust the low jet as desired until the idle is where you like it.

Do scooters have carburetor?

As of now all scooters sold in India are still having a carburettor. There aren’t any fuel injected scooters. However there are now many motorcycles that are fuel injected and this trend will go on increasing as it is a more modern method.

How long should electric choke stay on?

At 5°-10°C (41°-50°F), the choke plate should be fully open in about ten minutes. Check for bent choke linkage and a defective thermostat cap. And ensure the fast idle cam (screw) is properly set.

How do you start a carbureted car with an electric choke?

Treat your electric choke like a manual choke. Push gas all the way to floor and release. Engine should start right up. Don’t pump it.

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